CN107651004A - A kind of amphibious vehicle steering pump and transfer - Google Patents

Abstract

The invention provides a kind of amphibious vehicle steering pump and its steering power device, including main body, the main body is cylindrical structural；Output shaft is located at the bottom of main body, and first interface, second interface are located at the side of main body；First interface is the inlet port of pump, and second interface is the oil-out of pump.The invention provides a kind of new amphibious vehicle steering pump, to meet amphibious vehicle water/land integrated control formula power steering system.

Description

A kind of amphibious vehicle steering pump and transfer

Technical field

Patent of the present invention is related to a kind of amphibious vehicle water/land integrated control formula electronic-controlled power steering suitable for amphibious wheeled vehicle System, belong to machinery, hydraulic pressure and road vehicle application field.

Background technology

In recent years, it is very fast with developing compared with high maneuverability and the high speed water by property, the amphibious wheeled vehicle in land, As the new focus in home and abroad Used in Special Wheeled Vehicle field.The amphibious wheeled vehicle of high speed is the ground maneuver for possessing wheeled vehicle Property but also with certain offshore navigation ability, its military requirement also becomes more prominent, especially suitable for frontier defense, coastal waters make an inspection tour, The battlefield surroundings such as make beach landings.

High speed land and water vehicle is different from the vehicle with driving functions waterborne in itself, the former traveling waterborne speed Degree will be apparently higher than the latter, so its marine propulsion system, steering manipulation system waterborne etc. is all different from the latter, such as high speed water The travel speed waterborne of land amphibious vehicle is usually less than 40km/h, is commonly equipped with spray pump formula marine propulsion system, and has water The travel speed waterborne of the vehicle of upper driving functions is usually no more than 15km/h, and the power of its traveling waterborne generally relies on impeller dress Offer is provided.

The steering of high speed amphibious vehicle allows for independently realizing land steering, turning function waterborne, and land turns Larger difference be present in general principle, system composition, executing agency etc. to system and marine steering system, it is specific next Say, land steering is the steering operation by steering wheel, and steering ladder is moved by a series of mechanical transfer and power-assisted rear-guard Shape mechanism, vehicle yaw is driven, realizes turning function；Marine steering system is that steering operation is transmitted and helped by a series of After power, the nozzle exit area of water-powered device is manipulated, so as to complete turning function waterborne.So current national situations are come See, waterborne, the land steering system of most amphibious wheeled vehicles is two sets of completely separate systems, i.e., land During steering, pilot control steering wheel carries out the land traveling manipulation of vehicle, and during steering waterborne, driver, which need to manipulate, to come about or handle Vehicle traveling manipulation waterborne is carried out Deng device.Vehicle is lacked using the main of two sets of separate steering apparatus land, waterborne Point is：

1st, driver cabin space is more various than narrow and part in wheeled vehicle, if arranging two sets of handling maneuvers in cockpit System, by driving cabin real space and other system units（Such as vehicle mounted electrical apparatus system, power transmission manipulates, parking braking manipulates Deng）Etc. the influence of factor, reasonable Arrangement is difficult to realize；

2nd, an important factor for handling maneuver is influence vehicle safety, control stability, and there are two sets solely on a car Vertical steering apparatus, then inevitable requirement driver there is certain technical merit or by professional training, poor practicability；

3rd, because the principle of steering land, waterborne is different from executing agency, steering gear ratio, hand force property, steering sensitivity Huge etc. equal difference, two sets of self-contained units will have a strong impact on subjective assessment of the driver for Vehicular turn characteristic, can cause by For serious potential safety hazard.

In addition, if it is desired to possess the riding stability and security of similar ship when amphibious vehicle travels on the water, then must The longitudinal resistance that travels on the water of vehicle must be reduced as far as possible and due to the intrinsic part in ground wheeled vehicle chassis（Such as tire, hang Extension, steering linkage etc.）Caused complicated direction resistance, therefore amphibious vehicle chassis must possess two big features：1st, car body class Ship type structure, 2, big stroke may be reversed, fold or lifting suspension frame structure.For steering design, itself and suspension system The structure type of system and the configuration of car body have extremely close relationship, should meet car body configuration requirements, and matching is outstanding again The forms such as upset, folding or the lifting of frame system so that the design of the tie rod linkage and power steering system of amphibious vehicle Become extremely difficult, have notably, entire vehicle design will be caused to fail.

Therefore, develop one kind water/land handling maneuver can be integrated, can with flexible arrangement power steering system,

Water with high reliability/land integrated control formula power steering system is the most effective approach for solving above-mentioned technical barrier.

The content of the invention

The technical problem to be solved in the present invention is：How a kind of new steering pump and its amphibious vehicle water/Lu Jicheng is provided Control type power steering system.

To achieve these goals, technical scheme is as follows：

A kind of amphibious vehicle steering pump, including main body, the main body are cylindrical structural；Output shaft is located at the bottom of main body, the One interface, second interface are located at the side of main body；First interface is the inlet port of pump, and second interface is the oil-out of pump.

Preferably, steering pump end face is machined with through hole, steering pump is installed by the connected mode of bolt through through hole To engine, the end face is arranged between output shaft and interface.

Preferably, first interface is connected with the oil-out of steering reservoir assembly, the P mouths of second interface and power steering stgear Connection.

Preferably, the first interface is located at second interface bottom, and first interface and second interface are stagger arrangement point Cloth.

Preferably, the caliber of first interface is more than the caliber of second interface.

A kind of amphibious vehicle water/land integrated control formula power steering gear, including steering wheel and power steering gear assembly, Water/integrated the valve group of land conversion, the integrated valve group of steering waterborne, land hydraulic steering cylinder, hydraulic cylinder waterborne of coming about, land and water conversion are opened Pass, steering pump, steering reservoir assembly, steering gear connection, water/land conversion are integrated between valve group and steering wheel and power steering gear assembly Connected by hydraulic oil pipe；Water/integrated valve group of land conversion and steering waterborne are connected between integrating valve group by hydraulic oil pipe；It is land Hydraulic steering cylinder one end is connected with steering gear connection, passes through hydraulic oil between land hydraulic steering cylinder and water/integrated valve group of land conversion Pipe connects；Hydraulic cylinder one end waterborne of coming about is come about with swimmer propulsion unit to be connected, and steering waterborne integrates valve group and hydraulic pressure waterborne of coming about Connected between cylinder by hydraulic oil pipe；Land and water change-over switch is integrated on vehicle-mounted panel；Steering pump is installed on the engine, by sending out Motivation drives to system and provides high voltage power source；The oil inlet end of steering reservoir assembly oil-out and steering pump is connected by oil pipe, Oil return opening integrates with the oil return opening of steering wheel and power steering gear assembly, the water/oil return opening of the integrated valve group of land conversion, steering waterborne The oil return opening of valve group, is connected by oil pipe, and the steering pump is foregoing amphibious vehicle steering pump.

Preferably, the steering wheel includes steering wheel and power steering gear assembly with power steering gear assembly；It is described dynamic Power steering assembly is fixed with driver storehouse instrument board, and steering wheel passes through steering drive axle and power steering gear assembly upper surface Internal spline input connects, so as to which when pilot control steering wheel, the internal spline input of power steering gear assembly is same therewith Axle rotates；

Power steering gear assembly has tetra- oil inlet P, oil return inlet T, oil-out L and oil-out R oil circuit interfaces, respectively with steering The second interface of pump, the oil return opening of steering reservoir assembly, water/first interface of the integrated valve group of land conversion, second interface connection；

Water/integrated valve group of land conversion is fixed on the right side of driver on hull bottom plate by the through hole on valve body, and it has 7 oil circuits Interface, wherein, oil-out L and oil-out the R connection of first interface, second interface and steering wheel and power steering gear assembly, the Three interfaces, the 4th interface and steering waterborne integrate the first interface of valve group, second interface be connected, the 5th interface, the 6th interface and The first interface of land hydraulic steering cylinder, second interface connection, the 7th interface are connected with the oil return opening of steering reservoir assembly；

Steering waterborne integrates valve group and is fixed on by the through hole on valve body on driver's rear body bottom plate, and it has 5 oil circuits The 3rd interface, the 4th interface of interface, wherein first interface, second interface and water/integrated valve group of land conversion connect, and the 3rd connects Mouthful, the first interface of the 4th interface and hydraulic cylinder waterborne of coming about, second interface be connected, time of the 5th interface and steering reservoir assembly Hydraulic fluid port connects；

Land hydraulic steering cylinder one end is connected by the first bulb with vehicle attached seat, and the other end passes through the second bulb and steering gear connection Upper swing arm connection, so as to realize the fixation of land hydraulic steering cylinder, land hydraulic steering cylinder top oil circuit first interface and water/ The 5th interface connection of the integrated valve group of land conversion, second interface are connected with the 6th interface of water/integrated valve group of land conversion；

Hydraulic cylinder one end waterborne of coming about is connected by the 3rd bulb with vehicle attached seat, and the other end is come about by the 4th bulb with waterborne Connection, so as to realize the fixation of hydraulic steering cylinder waterborne, the first interface of oil circuit, second interface integrate valve group with steering waterborne 3rd interface, the connection of the 4th interface；

Land and water change-over switch is integrated in full-vehicle control panel itself, and by pilot control, it has two " land turn of working conditions To " " steering waterborne ", when " land steering " state, land and water change-over switch 6 is off, the water/integrated valve group of land conversion Interior first interface is unimpeded to the 5th interface, second interface to the oil circuit of the 6th interface, it is therefore intended that is supplied to land hydraulic steering cylinder Oil, realize land turning function；When " steering waterborne " state, land and water change-over switch is in closure state, first interface to Three interfaces, second interface is unimpeded to the oil circuit of the 4th interface, so as to realize turning function waterborne；Steering pump is attached to engine On, steering pump has two-way hydraulic fluid port interface, and first interface is connected with the oil-out of steering reservoir assembly, second interface and steering wheel It is connected with the oil inlet P of power steering gear assembly, its function is to provide hydraulic power supply for system；

Steering reservoir assembly includes steering reservoir, oil tank rack, and steering reservoir is fixed on car body by oil tank rack, and it has Two oil circuit interfaces, are oil-out, oil return opening respectively, and the first interface of oil-out and steering pump connects, oil return opening and steering wheel Oil return inlet T, water/the 7th interface of the integrated valve group of land conversion with power steering gear assembly, steering waterborne integrate the 5th of valve group Interface connects.

Preferably, steering wheel includes steering wheel, stacked switch, steering drive axle, steering wheel with power steering gear assembly Support, power steering stgear, steering wheel hub are machined with internal splined hole, and steering drive axle top is machined with splined shaft, direction of insertion Disk center's internal splined hole simultaneously passes through nut check, the connection of completion steering wheel and steering drive axle；Along footpath in the middle part of steering drive axle Horizontal direction is machined with stacked switch support, is easy to that stacked switch and steering drive axle are co-axially mounted and fixed, turns to transmission Axle bottom is rectangular spline axle construction, is easy to be connected with power steering stgear；Bottom surface is hollow square flange structure, and its function exists In fixed power steering stgear and the bottom rectangle splined shaft of steering drive axle is set to pass through and defeated with power steering stgear internal spline Enter end engagement；Tho wheel support top is yoke configurations, and its function is to ensure steering drive axle and power steering stgear internal spline Input axiality.

Preferably, the land and water integrated valve group of conversion includes valve body, two three-way magnetic valves, mechanical speed governors valve, check valve C1, Check valve C2, first interface, second interface are oil-feed interface, distinguish closure disk by high-pressure oil pipe and power steering stgear is total Into oil-out L and oil-out R；3rd interface, the 4th interface are oil out port, connect steering waterborne respectively by high-pressure oil pipe The first interface of integrated valve group, second interface；5th interface, the 6th interface are oil-out, by high-pressure oil pipe respectively with it is land The first interface of hydraulic steering cylinder, second interface connection；7th interface is oil return opening, flows back to hydraulic oil by oil pipe connection and turns To tank unit.

Mechanical speed governors valve is series at second interface to the 6th interface, and second can be adjusted by manually adjusting mechanical speed governors valve The flow being interfaced in the hydraulic oil unit interval between the 6th interface, and throttling part is returned into steering oil by the 7th interface Tank assembly；

Check valve C1, check valve C2 and the 7th orifice, form the oil return line of land and water conversion pile-up valve.

It is check valve C3, unidirectional preferably, steering waterborne, which integrates valve group, includes valve body, mechanical pressure regulator valve, mechanical speed governors valve Valve C4, wherein, first interface 32, second interface are oil-feed interface, connect the integrated valve group of land and water conversion respectively by high-pressure oil pipe) The 3rd interface, the 4th interface；3rd interface, the 4th interface are oil out port, connect steering waterborne respectively by high-pressure oil pipe The first interface of the hydraulic steering cylinder of hydraulic cylinder 5, second interface；5th interface is oil return opening, is changed respectively with land and water by oil pipe Steering reservoir assembly is flowed back to after 7th interface parallel connection of integrated valve group

It is two-way independent oil supply circuit that steering waterborne, which is integrated inside valve group, is first interface respectively to the 3rd interface, second interface To the 4th interface, connected in oil circuit first interface to the 3rd interface the first mechanical pressure regulator valve, the first mechanical speed governors valve, by the One mechanical pressure regulator valve, the first mechanical speed governors valve adjust first interface to the hydraulic fluid pressure and flow between the 3rd interface respectively； Connected in second interface to the 4th interface the second mechanical pressure regulator valve, the second mechanical speed governors valve, pass through the second mechanical pressure regulator valve, the Two mechanical speed governors valves adjust second interface to the hydraulic fluid pressure and flow between the 4th interface respectively；

Cut in second interface to the 3rd mechanical speed governors valve 3.5 and being slided in the matching internal of valve body 31 of having connected between the 4th interface Only valve C5, its object is to balance after the 3rd mechanical speed governors valve speed governing, the first mechanical pressure regulator valve, the first mechanical speed governors valve inlet Locate the flowed fluctuation between two independent oil paths, ensure the separately adjustable precision of two oil circuits；Check valve C3, check valve C4 cut to be unidirectional Only valve, check valve C3, check valve C4 and the 5th orifice, form the oil return line that steering waterborne integrates valve group.

Preferably, land hydraulic steering cylinder includes cylinder barrel, piston rod, bulb, clip, it has first interface, second Interface connects the 3rd interface, the 4th interface of the integrated valve group of land and water conversion by high-pressure oil pipe respectively；Piston rod output end and cylinder Cylinder fixing end is internal thread tubular structure, but both ends internal thread is oppositely oriented and fixes side in piston rod output end and cylinder barrel Face is machined with groove, bulb be screwed onto respectively piston rod output end with cylinder barrel fixing end, and with locked clip device at groove, Gu Determine bulb screw-in depth.

Relative to prior art, the present invention has the advantage that：

1st, a kind of new amphibious vehicle steering pump is provided, to meet amphibious vehicle water/land integrated control formula power steering system.

2. the present invention devises land hydraulic steering cylinder, its novelty is, both ends employ bulb latch structure, bulb The space pivot angle scope of pin is larger, not less than 30 °, the effect of it has not only acted as oscillating bearing, additionally it is possible to ensure that hydraulic cylinder exists It is two power bar stresses in telescopic process, i.e. hydraulic cylinder is solely subjected to push and draw force, other spaces of hydraulic cylinder in motion process Perturbed force eliminates by both ends ball stud, meanwhile, ball stud is cone match with frame support and steering upper swing arm, connection jail Gu strong shock resistance.

3. the present invention devises amphibious vehicle steering waterborne and integrates valve group, during due to steering situation waterborne, hydraulic cylinder of coming about Generally smaller, its volume is significantly less than the land hydraulic steering cylinder of same car matching and high-voltage resistance capability is weaker, and still, steering pump is defeated The hydraulic fluid flow rate gone out exceeds well over the operating limit for hydraulic cylinder of coming about with pressure, and therefore, it is innovative that steering waterborne integrates valve group Employ step-governor d scheme, that is, first pass through after flow is greatly reduced in working connection, then shunted, pass through two separate branches Accurate speed governing, pressure regulation and reach requirement, stability when water has been effectively ensured in the program, land turns to switching；Pass through convection current The adjustment of amount also achieves land steering and handling maneuver waterborne, the variable ratio of steering wheel total kilometres, i.e., land steering when side It it is -720 ° ~ 720 ° to disk stroke, when switching to handling maneuver waterborne, steering wheel stroke automatically becomes -1800 ° ~ 1800 °, simultaneously Land steering, the relevant criterion of steering waterborne are met, and during this, driver need not carry out operation bidirectional.

4. the present invention amphibious vehicle water/land integrated control formula power steering system, it is simple in construction, cost is cheap, work Stably, it is convenient to maintain, by facts have proved that the system can be connected by same set of hydraulic power steering system with on-mechanical The fluid power transfer mode connect realizes land steering, turning function waterborne, in the state of pilot control same direction disk, passes through Switch control can quickly finish the switching of two kinds of handling maneuver patterns.

5. the present invention devises steering wheel and power steering gear assembly, the assembly contains driver and carries out handling maneuver All important mechanisms, and its integrated level is very high, space hold is small, with same tonnage using steering wheel be connected steering drive axle, The traditional scheme of transmission case and power steering stgear is compared, and space hold is the 10 ~ 15% of traditional scheme, and weight is only traditional scheme 5 ~ 10%；Because the steering wheel in the present invention uses pipeline connecting mode, cloth with power steering gear assembly with miscellaneous part Put that form is very flexible, can be accustomed to according to the manipulation of in-car layout and driver, arbitrarily change position, and in conventional truck The parts such as steering wheel are due to the limitation of its structure and principle, it is necessary to position is determined at the beginning of design, and does not allow to move on a large scale Dynamic position.

6. amphibious vehicle water/land integrated control formula power steering system of the present invention, using distributed, modular design Theory, steering wheel can be arranged arbitrarily with power steering gear assembly, each function valve group and hydraulic cylinder, regardless of mechanical drive train Problem of implementation and after entrucking, by the demarcation of the flow to each integrated valve group, can enter water-filling, two, land steering state The setting of any steering gear ratio, i.e. the ratio of steering wheel range and wheel hard-over, this principle is in conventional truck It can not realize.

, can be by the power on/off of two solenoid directional control valves on valve body come real 7. the present invention devises the integrated valve group of land and water conversion The change of hydraulic circuit in existing land and water operating mode transition process, make its land hydraulic steering cylinder of whereabouts and hydraulic pressure waterborne of coming about respectively Cylinder；Just or rotated backward one week due to steering wheel, the gerotor motor discharge capacity in all-hydraulic power steering stgear is constant, and land The volume for having two chambers of piston rod and piston-rodless of steering cylinder is different, and rod chamber volume is smaller, in order to ensure steering wheel just During reversion, the stroke of land hydraulic steering cylinder must unanimously i.e. with identical stroke just or during reverse turn steering wheel, wheel turn left or The angle of right-hand rotation must be consistent, therefore it has been internally integrated flow speed control valve；Pressure measurement interface is have also been devised on valve body structure, can be with It is connected with pressure gauge, detecting system pressure.Conversion integrated valve group in land and water is versatile, in the case where not changing structure, can fit For 2 tons to 7 tons steeraxles using and can realize any setting of single 30 ~ 40 ° of steeraxle steering locking angle degree.

Brief description of the drawings

Fig. 1 water/land integrated control formula power steering system structure chart

Fig. 2 steering wheels and power steering gear assembly structure chart

Fig. 2-1 stacked switch structure charts

Fig. 2-2 stacked switch rack assumption diagrams

Fig. 2-3 tho wheel support structure charts

Fig. 3-1 water/integrated valve group the front view of land conversion

Fig. 3-2 water/integrated valve group main view the perspective view of land conversion

Fig. 4-1 water/integrated valve group the top view of land conversion

Fig. 4-2 water/integrated valve group the birds-eye perspective of land conversion

Fig. 5-1 steerings waterborne integrate valve group front view

Fig. 5-2 steerings waterborne integrate valve group main view perspective view

Fig. 6-1 steerings waterborne integrate valve group rearview

Fig. 6-2 steerings waterborne integrate valve group rear perspective

The land steering structure figures of Fig. 7

The land hydraulic steering cylinder structure charts of Fig. 8

Fig. 9 steering structure figures waterborne

Figure 10 steering pump structure charts

Figure 11 steering reservoir structure charts

Figure 12 oil tank rack structure charts

Figure 13 hydraulic work system schematic diagrams

Reference is as follows：

1 steering wheel and power steering gear assembly；2 water/integrated the valve group of land conversion；3 steerings waterborne integrate valve group；4 land steering liquid Cylinder pressure；5 hydraulic cylinders waterborne of coming about；6 land and water change-over switches；7 steering pumps；8 steering reservoir assemblies；

Steering wheel and power steering gear assembly：11 steering wheels；12 stacked switches；13 steering drive axles；14 tho wheel supports 15 are dynamic Power steering assembly；

Stacked switch：Left handle, fixing hole, right handles；

Stacked switch support：Tapped through hole, steering drive axle 13；

Tho wheel support：Arc surface, through hole, square flange face；

Water/integrated the valve group of land conversion：21 valve bodies, 22 first interfaces, 23 second interfaces, 24 the 3rd interfaces, 25 the 4th interfaces, 26 Five interfaces, 27 the 6th interfaces, 28 the 7th interfaces, 29 pressure detecting mouths；2.1 three-way magnetic valve；2.2 three-way magnetic valve；It is 2.3 mechanical Flow speed control valve；

Steering waterborne integrates valve group：31 valve bodies；3.1 first mechanical pressure regulator valves；3.2 second mechanical pressure regulator valves；3.3 first machineries are adjusted Fast valve；3.4 second mechanical speed governors valves；3.5 the 3rd mechanical speed governors valves；32 first interfaces；33 second interfaces；34 the 3rd interfaces；35 4th interface；36 the 5th interfaces

Land hydraulic steering cylinder：41 first interfaces；42 second interfaces；43 first bulbs；44 second bulbs；

Hydraulic cylinder waterborne of coming about：51 first interfaces；52 second interfaces；53 bulbs；

Steering pump：71 output shafts, 72 through holes；73 first interfaces, 74 second interfaces

Steering reservoir assembly：81 steering oil pipes；82 oil tank racks；801 oil-outs, 802 oil return openings, through hole 821, through hole 822.

Embodiment

The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.

Herein, if without specified otherwise, it is related to formula, "/" represents division, and "×", " * " represent multiplication.

To solve problem of the prior art, the present invention provides a kind of amphibious vehicle water/land integrated control formula power steering apparatus Put, be a kind of compound steering apparatus of mechanical electronic hydraulic, as shown in Fig. 1,13, the transfer includes：Steering wheel and power Steering assembly 1, water/integrated valve group 2 of land conversion, steering waterborne integrate valve group 3, land hydraulic steering cylinder 4, hydraulic pressure waterborne of coming about Cylinder 5, land and water change-over switch 6, steering pump 7, steering reservoir assembly 8, steering gear connection 9.Water/integrated valve group 2 of land conversion and steering wheel It is connected between power steering gear assembly 1 by hydraulic oil pipe；The integrated valve group 2 of water/land conversion and steering waterborne integrate valve group 3 it Between connected by hydraulic oil pipe；Land one end of hydraulic steering cylinder 4 is connected with steering gear connection 9, land hydraulic steering cylinder 4 and water/land Connected between the integrated valve group 2 of conversion by hydraulic oil pipe；Hydraulic cylinder 5 one end waterborne of coming about is come about with swimmer propulsion unit to be connected, water Upper steering is integrated to be connected between valve group 3 and hydraulic cylinder 5 waterborne of coming about by hydraulic oil pipe；Land and water change-over switch 6 is integrated in vehicle-mounted On panel；Steering pump 7 is installed on the engine, and high voltage power source is provided from engine driving to system；Steering reservoir assembly 8 one End and the oil inlet end of steering pump 7, are connected by oil pipe, another section and steering wheel and power steering gear assembly 1, water/land Transform Sets The oil revolving end of valve group 3 is integrated into valve group 2, steering waterborne, is connected by oil pipe；Steering gear connection 9 connects with land hydraulic steering cylinder 4 Connect.Switched by land and water change-over switch 6 and turned in steering waterborne or road, realized and turned to by steering wheel rotation 11.

There is the present apparatus land and water to turn to, and switching is simple, realizes land and water handling maneuver, flexible arrangement using single direction disk 11 And many advantages, such as saving space, land and water steering gear ratio Independent adjustable.

Preferably, as shown in Figure 1, steering wheel is located in vehicle cab with power steering gear assembly 1, passes through driving Mounting bracket in cabin at instrument board is fixed；The mode that water/integrated valve group 2 of land conversion is fastened by bolts is fixed on the driving cabin right side Side dividing plate, it is connected between steering wheel and power steering gear assembly 1 by high-pressure and hydraulic oil pipe；Steering waterborne integrates valve group 3 The mode being fastened by bolts is fixed on driving cabin right side partition, parallel with water/integrated valve group 2 of land conversion, positioned at water/land conversion The rear of integrated valve group 2, water/integrated valve group 2 of land conversion and steering waterborne are connected between integrating valve group 3 by high-pressure and hydraulic oil pipe Connect；Land hydraulic steering cylinder 4 is located at below pilot set at car body underdeck, and its one end is connected with the attached seat of car body underdeck, One end is connected with the rocking arm 91 in steering gear connection 9, passes through high pressure between land hydraulic steering cylinder 4 and water/integrated valve group 2 of land conversion Hydraulic oil pipe connects；Hydraulic cylinder 5 waterborne of coming about is located at hull back deck, and its one end is connected with the attached seat in car body deck, one end Come about and be connected with swimmer propulsion unit, steering waterborne is integrated to be connected between valve group 3 and hydraulic cylinder 5 waterborne of coming about by high-pressure and hydraulic oil pipe Connect；Land and water change-over switch 6 is integrated on vehicle-mounted panel；Steering pump 7 is installed to become displacement gear pump by way of flange connection On the engine, high voltage power source is provided from engine driving to system；Steering reservoir assembly 8 is arranged on by clamping hoop type support On attached seat on vehicle body side deck, its internal oil inlet end with precise hydraulic oil rectifier, its one end and steering pump 7, lead to Oil pipe connection is crossed, another section integrates valve group 2, steering pile-up valve waterborne with steering wheel and power steering gear assembly 1, water/land conversion The oil revolving end of group 3, is connected by oil pipe；Steering gear connection 9 is arranged at car body underdeck, wherein pitman arm and land steering liquid Cylinder pressure 4 is connected, and subtie is connected by way of ball stud with wheel, when the land piston rod of hydraulic steering cylinder 4 stretches, band turn To upper rocker arm 91, after the mechanical transfer of steering gear connection 9, final band motor car wheel deflects, and realizes turning function.

Preferably, the pressure of high-pressure and hydraulic oil pipe is 15 ~ 20Mpa.

Preferably, the amphibious vehicle water/land integrated control formula power steering gear is applied to more than 5 tons of wheeled vehicle .

As shown in Figure 2, steering wheel includes steering wheel 11, stacked switch 12, steering drive axle with power steering gear assembly 1 13rd, tho wheel support 14, power steering stgear 15, its function are that driver can be grasped by steering wheel 11, steering drive axle 13 Vertical power steering stgear 15, the rotational angle of steering wheel is converted into orientation, the output of quantitative high-pressure hydraulic power source, so as to realize Turning function land, waterborne.

Wherein steering wheel 11 is arranged on top, and steering wheel 11 is connected with steering drive axle 13, steering drive axle 13 and power Steering gear 15 connects.

As shown in accompanying drawing 2-1, stacked switch 12 is co-axially mounted with steering wheel 11, steering drive axle 13, positioned at steering wheel 11 Lower section, it is fixed on by 3 fixing holes on stacked switch support, respectively there is one handle its both sides, and its role is to pilot control It during steering wheel 11, can easily control that vehicle is remote, the open and close of low beam light, turn to open and close and the car of signaling lamp The prerequisite basic function of the wheeled vehicles such as the open and close of loudspeaker institute.

As shown in accompanying drawing 2-2, stacked switch support is T-shape structure, its it is coaxial with steering drive axle 13 and be welded in turn To power transmission shaft outer wall, its Surface Machining has tapped through hole at 3, to ensure that the mounting hole of stacked switch 12 is concentric, and combines Switch the fixing hole processed on 12 mounting holes and stacked switch support, axis coaxle error be less than 0.5mm, its function is to protect Stacked switch 12 is demonstrate,proved without radial rotating and axial float.

Preferably, power steering stgear 15 is hydraulic pressure line traffic control power steering stgear.

Further preferably, the power steering gear assembly 15 is fixed by tho wheel support 14 and driver storehouse instrument board, It is easy to driver to carry out handling maneuver land, waterborne by steering wheel 11, steering wheel 11 is turned by steering drive axle 13 and power Connected to the internal spline input of the upper surface of device assembly 15, so that when pilot control steering wheel 11, power steering gear assembly 15 internal spline input rotates coaxially with steering wheel 11；Power steering gear assembly 15 has oil inlet P, oil return inlet T, oil-out L, tetra- oil circuit interfaces of oil-out R, the first interface with steering pump 7, the first interface of steering reservoir assembly 8, water/land turn respectively Change the first interface 22 of integrated valve group 2, second interface 23 connects, its function is that high pressure liquid that steering pump 7 provides can be pressed oil, The linear fixed displacement high pressure liquid of rotational angle for being converted into high accuracy and steering wheel presses oil, also, when steering pump 7 fails The high accuracy fixed displacement low-pressure hydraulic linear with the rotational angle of steering wheel can be established manually by steering wheel 11 afterwards Oil, ensure that system possesses certain emergent steering capability.Specifically, when steering wheel 11 rotates clockwise 360 degree, electronic-controlled power steering The oil-out R of device 15 oil drain quantity is 200ml, and when steering wheel 11 rotates counterclockwise 360 degree, oil-out L oil drain quantities are 200ml.When After steering pump 7 fails, i.e., when the main oil inlet P of power steering stgear 15 is without hydraulic oil, manually steering wheel rotation 11 can be built Vertical hydraulic system pressure, but now oil-out L, oil-out R output pressure value≤5Mpa, possess emergent steering capability.

Preferably, power steering stgear（15）Oil inlet P, oil return inlet T are main oil inlet P, main oil return inlet T.

Preferably, as illustrated in figs. 2-3, tho wheel support 14 is opposite opened arc support structure, upper end symmetrical machining There is arc surface, arc surface both sides is symmetrily processed with the through hole for bolt, nut check, and it can ensure steering drive axle 13 Lower end splined shaft is co-axially mounted with the input internal spline of power steering stgear 15, and and can is enough locked by symmetrical arc surface and turned to Power transmission shaft 13, avoids axial float, effectively improves the reliability and ride comfort of driving-chain.

Preferably, the center of steering wheel 11 is machined with internal splined hole, the top of steering drive axle 13 is machined with splined shaft, insertion The center internal splined hole of steering wheel 11 simultaneously passes through nut check, the connection of completion steering wheel 11 and steering drive axle 13；Turn to transmission Axle 13 is that top is spline shaft structure, is easy to be connected with steering wheel 11, and middle part is machined with stacked switch support along footpath horizontal direction, It is easy to stacked switch 12 and steering drive axle 13 being co-axially mounted and fixed, bottom is rectangular spline axle construction, is easy to and power Steering gear 15 connects；The bottom surface of tho wheel support 14 is hollow square flange structure, and its function is to fix power steering stgear 15 And the bottom rectangle splined shaft of steering drive axle 13 is set to pass through and be engaged with the internal spline input of power steering stgear 15；Direction The top of disc carrier 14 is yoke configurations, and its function is to ensure that steering drive axle 13 and the internal spline input of power steering stgear 15 are same Axle degree.

Preferably, as shown in accompanying drawing 3,4, the integrated integrated valve group of the land and water of valve group 2 conversion of water/land conversion include valve body 21, Two three-way magnetic valves 2.1,2.2, mechanical speed governors valves 2.3, check valve C1, check valve C2, water/integrated valve group 2 of land conversion pass through Through hole on valve body 21 is fixed on the right side of driver on hull bottom plate, and it has 7 oil circuit interfaces, wherein, first interface 22, the Two interfaces 23 are connected with steering wheel with the oil-out L and oil-out R of power steering gear assembly 1, the 3rd interface 24, the 4th interface 25 The first interface 32 of valve group 3 is integrated with steering waterborne, second interface 33 is connected, the 5th interface 26, the 6th interface 27 and land turn First interface 41, second interface 42 to hydraulic cylinder 4 connect, and the oil return opening 802 of the 7th interface 28 and steering reservoir assembly 8 connects Connect.

Further as shown in Figure 3,4, the valve body 21 is cube structure, and the three-way magnetic valve 2.1,2.2, machinery are adjusted Fast valve 2.3 is located on cubical first face, and the 3rd to the 6th interface 24-27 is located on the second face adjacent with the first face, the One interface 22 and second interface 23 are located on the 3rd face adjacent and relative with the second face with the first face, the 7th interface 28 be located at On the adjacent fourth face in first to the 3rd face, check valve C1, check valve C2 are located on the 5th face relative with fourth face.By upper Structure arrangement is stated, water/integrated compact overall structure of valve group 2 of land conversion, small volume can be caused.

Further preferably, the through hole sixth face relative with the first face is connected.The through hole is four, is connected respectively Four angles in the 6th face.

Further preferably, the fourth face and the 5th face are squares, and remaining four face is rectangle.

Further preferably, the axis of interface 24,26,27 is located on same line, and the axis of interface 25,26 is located at another line On, two lines are orthogonal.

Further preferably, it is interface 27,24,25 successively from fourth face to the 5th face.

Further preferably, it is mechanical speed governors valve 2.3 successively from fourth face to the 5th face, three-way magnetic valve 2.1,2.2.

Further preferably, the interface 24,25,26,27 is arranged in valve body the same face, is easy to land hydraulic steering cylinder etc. The connection of load.

Further preferably, pressure detecting interface 29 has been reserved close to basal surface position in above-mentioned plane, has been easy to detection whole Working state of system and system pressure.

Further preferably, first interface 22, second interface 23 are oil-feed interface, distinguish closure disk by high-pressure oil pipe With the oil-out L and oil-out R of power steering gear assembly 1；3rd interface 24, the 4th interface 25 are oil out port, the 3rd interface 24th, the 4th interface 25 is oil out port, connects the first interface 32, second that steering waterborne integrates valve group respectively by high-pressure oil pipe Interface 33；5th interface 26, the 6th interface 27 are oil-out, by high-pressure oil pipe respectively with land hydraulic steering cylinder 4 first Interface 41, second interface 42 connect；7th interface 28 is oil return opening, hydraulic oil is flowed back to steering reservoir assembly by oil pipe connection 8, preferably it is connected with the oil return opening 802 with steering reservoir assembly 8.It is acted on can be by steering wheel and power steering gear assembly 1 The oil-out L of power steering stgear 15, oil-out R oil circuit distribute to land hydraulic steering cylinder 4 and integrate valve group 3 simultaneously with steering waterborne Land steering and the switching of steering state oil circuit waterborne are realized, and by the pressure to each oil circuit, flow calibration, so as to realize water Under upper steering state, the variable ratio setting of steering wheel stroke.

Mechanical speed governors valve（2.3）It is series at second interface（23）To the 6th interface（27）I.e. hydraulic oil is by second interface（23） Flow into mechanical speed governors valve（2.3）Oil inlet, then by mechanical speed governors valve（2.3）Oil-out flow to the 6th interface（27）, pass through Regulation mechanical speed governors valve manually（2.3）Second interface can be adjusted（23）To the 6th interface（27）Between the hydraulic oil unit interval Interior flow, and throttling part is passed through into the 7th interface（28）Return to steering reservoir assembly（8）；Check valve C1, check valve C2 with 7th interface（28）Connection, form the oil return line of land and water conversion pile-up valve.

The function of the integrated valve group of land and water conversion is, the on-off model provided by land and water change-over switch 6, same to time control Two-bit triplet magnetic valve 2.1,2.2 processed, so as to the state according to land and water change-over switch 6, realizes land steering, water to switch oil circuit The upper switching for turning to oil circuit, specifically, when magnetic valve 2.1 does not receive the signal of land and water change-over switch 6（It is preferred that 12V）When（I.e. " land steering " state）, oil circuit 23 to 27 keeps path, when magnetic valve 2.1 receives the signal of land and water change-over switch 6（It is preferred that 12V）When（That is " steering waterborne " state）, the holding path of oil circuit 23 to 24；When magnetic valve 2.2 does not receive land and water change-over switch 6 Signal（It is preferred that 12V）When（That is " land steering " state）, oil circuit 22 to 26 keeps path, receives land and water change-over switch 6 when 2.1 Signal（It is preferred that 12V）When（That is " steering waterborne " state）, the holding path of oil circuit 22 to 25.In addition, mechanical speed governors valve 2.3 is connected In oil circuit 23 to 27, manually the top knob of regulating valve 2.3 can be adjusted in the hydraulic oil unit interval between 23 to 27 Flow, adjustable range are 0 to 200ml/L, corresponding mechanical speed governors valve（2.3）0 ~ 1080 ° of knob stroke simultaneously passes through throttling part 7th interface 28 returns to steering reservoir assembly 8, and its object is to adjust the unit interval in the land rod chamber of hydraulic steering cylinder 4 to inject Hydraulic oil volume, during to ensure steering wheel positive, counter-rotating equal angular, the stretching of land hydraulic steering cylinder 4, shrink Displacement is equal；

C1, C2 are unidirectional stop valve, and its function is that C1, C2 connect with the 7th interface 28, form returning for land and water conversion pile-up valve Oil circuit, it can effectively end when reverse impact pressure occurs in internal system and unload buffer brake, the conversion of lifting land and water is integrated The safety and reliability of valve group.

Preferably, integrated valve group 2 is changed as plug-in entirety valve group in water/land, by the through hole on valve body 21, using spiral shell The mode of bolt fastening, it is fixed on the right side of driver on car body deck.

As shown in accompanying drawing 5,6, steering waterborne integrates valve group 3 by way of the through hole on valve body 31 is using bolt fastening, It is fixed on the right side of driver on car body deck, positioned at water/integrated rear of valve group 2 of land conversion.

Steering waterborne, which integrates valve group, includes valve body 31, mechanical pressure regulator valve 3.1,3.2, mechanical speed governors valve 3.3,3.4,3.5, single To valve C3, check valve C4, wherein, first interface 32, second interface 33 are oil-feed interface, and land and water is connected respectively by high-pressure oil pipe The 3rd interface 24, the 4th interface 25 of the integrated valve group 2 of conversion；3rd interface 34, the 4th interface 35 are oil out port, pass through high pressure Oil pipe connects the first interface 51 of the hydraulic steering cylinder of hydraulic steering cylinder 5 waterborne, second interface 52 respectively；5th interface 36 is oil return Mouthful, changed respectively with land and water by oil pipe integrated valve group 2 the interface of the 7th interface 28 it is in parallel after flow back to steering reservoir assembly 8.

Further as shown in Figure 5,6, the valve body 31 is cube structure, and the mechanical pressure regulator valve 3.1,3.2, machinery are adjusted Fast valve 3.3,3.4,3.5 is located on the first face, and the interface 34,35, check valve C3, check valve C4 are located at what is be connected with the first face On second face, interface 32,33,36 is located at the 3rd relative face of the second face.Arranged by said structure, steering waterborne can be caused The integrated compact overall structure of valve group 3, small volume.

Further preferably, first face is hierarchic structure, and wherein the face where mechanical speed governors valve 3.5 is less than mechanical pressure regulation Face where valve 3.1,3.2, mechanical speed governors valve 3.3,3.4.

Further preferably, the mechanical pressure regulator valve 3.1,3.2 is located at first row, mechanical speed governors valve 3.3,3.4 is located at second Row, first row are parallel with second row.

Further preferably, it is first row, second row and mechanical speed governors valve 3.5 successively from the second face to the 3rd face.

Further preferably, check valve C3, check valve C4 are located at a row, and interface 34,35 is located at a row, and two rows are parallel.

Further preferably, interface 34,35 is located at check valve C3, check valve C4 tops.

Further preferably, second face is square.

Further preferably, the interface 32,33,34,35, C1, C2 are used along the longitudinally asymmetric arrangement of valve body, effectively reduced Valve group space hold, and it is relatively beneficial to real vehicle connecting line.

Further preferably, the mechanical pressure regulator valve 3.1,3.2, mechanical speed governors valve 3.3,3.4, mechanical speed governors valve 3.5 is uniform It is placed in valve group top surface, it is easier to be adjusted in the car in narrow space.

The function that steering waterborne integrates valve group 3 is the high-pressure hydraulic power source for being provided the integrated valve group 2 of steering waterborne Hydraulic cylinder 5 waterborne of coming about is supplied to, realizes turning function waterborne, and by the pressure to each oil circuit, flow calibration, so as to realize Under steering state waterborne, the variable ratio setting of steering wheel stroke.

It is two-way independent oil supply circuit that steering waterborne, which integrates the inside of valve group 3, be respectively the interface 34 of first interface 32 to the 3rd, The interface 35 of second interface 33 to the 4th, the first mechanical pressure regulator valve 3.1 of series connection, the in oil circuit first interface 32 to the 3rd interface 34 One mechanical speed governors valve 3.3（That is first interface（32）To the 3rd interface（34）Pipeline on the first mechanical pressure regulator valve 3.1, the are set One mechanical speed governors valve 3.3）, by the first mechanical pressure regulator valve 3.1, the first mechanical speed governors valve 3.3 adjust respectively first interface 32 to Hydraulic fluid pressure and flow between 3rd interface 34；The second mechanical pressure regulator valve of series connection in the interface 35 of second interface 33 to the 4th 3.2nd, the second mechanical speed governors valve 3.4, second interface is adjusted by the second mechanical pressure regulator valve 3.2, the second mechanical speed governors valve 3.4 respectively Hydraulic fluid pressure and flow between 33 to the 4th interfaces 35；

Connected between the interface 35 of second interface 33 to the 4th and the 3rd mechanical speed governors valve 3.5 and passed through valve body（31）It is internally integrated Slip shutoff valve C 5, to balance the flowed fluctuation between two independent oil paths, ensure the separately adjustable precision of two oil circuits；Check valve C3, check valve C4 are unidirectional stop valve, and check valve C3, check valve C4 connect with the 5th interface 36, form steering pile-up valve waterborne The oil return line of group.

As shown in accompanying drawing 7,8, land hydraulic steering cylinder includes cylinder barrel, piston rod, bulb, clip, and cylinder barrel is land steering The main part of hydraulic cylinder, its end is special to be fabricated to integral structure, and is processed as internal thread tubular structure, is easy to bulb to pacify Dress, is machined with asymmetrical grooves at two on the outside of internal thread tubular structure, and the effect of the groove is the locking by clip, in increase Threaded tubular structure and the externally threaded mesh degree of bulb.Bulb（43）Be coaxially installed in internal thread tubular structure, adjust to Locked clip device is used after correct position, avoids bulb from producing axial float in internal thread tubular structure；Piston rod is coaxially installed on Inside cylinder barrel, its end is equally special to be processed as internal thread tubular structure, is easy to bulb（44）Installation, adjust to correct position Locked clip device equally is used afterwards, avoids bulb（44）Axial float is produced with piston-rod end internal thread tubular structure.It has The 3rd interface the 25, the 4th that first interface 41, second interface 42 connect conversion integrated valve group 2 in land and water by high-pressure oil pipe respectively connects Mouth 26；Piston rod output end and cylinder barrel fixing end are internal thread tubular structure, but innovative employ both ends internal thread rotation To opposite design, its effect is that rotating ballhead can be passed through（43）（44）And the entirety for changing land hydraulic steering cylinder is long Degree, is easy to real vehicle to install, is otherwise difficult to realize assembling and adjustment on real vehicle；And in piston rod output end and cylinder barrel fixing end Side is machined with groove, bulb be screwed onto respectively piston rod output end with cylinder barrel fixing end, and with locked clip device at groove, Fixed bulb screw-in depth.

Preferably, two interfaces can into and out of oil, when land hydraulic steering cylinder stretches out direction to piston rod to move, the One interface 41 is oil inlet, and 42 be oil-out；Piston rod to shrinkage direction move when, first interface 41 is oil-out, 42 be into Hydraulic fluid port.

Preferably, first interface 41 is located at the side of bulb 43, second interface 42 is located at the side of bulb 44.

Land one end of hydraulic steering cylinder 4 is connected simultaneously by way of bulb 43 uses conical surface tight fit with vehicle attached seat 101 By nut check, one end is connected and led to using by way of conical surface tight fit bulb 44 with the upper swing arm 91 of steering gear connection 9 Nut check is crossed, so as to realize land hydraulic steering cylinder（4）Fixation.

Land hydraulic steering cylinder function is the upper swing arm 91 for pushing away, drawing steering gear connection 9 into and out of oil mass according to itself, so as to Realize land turning function.

As shown in Figure 9, hydraulic cylinder 5 one end waterborne of coming about is connected with vehicle attached seat 201, preferably passes through bulb 53 and car body Attached seat 201 is connected by the way of conical surface tight fit and by nut check, one end is by bulb 53 and swing arm of coming about using cone The mode of face tight fit connects and by nut check, so as to realize the fixation of land hydraulic steering cylinder 4, top oil circuit interface 51st, 52 34,35 interfaces that valve group 3 is integrated with steering waterborne are connected, and its function is according to itself into and out of oil mass, by coming about Swing arm is pushed away, drawing is come about, so as to realize turning function waterborne.

Land and water change-over switch 6 is integrated in full-vehicle control panel itself, and by pilot control, it has two working conditions " land steering " " steering waterborne ", when " land steering " state, land and water change-over switch 6 is off, water/land Transform Sets It is unimpeded to the oil circuit of interface 27 into the inner joint 22 of valve group 2 to interface 26, interface 23, it is therefore intended that to the land fuel feeding of hydraulic steering cylinder 4, Realize land turning function；When " steering waterborne " state, land and water change-over switch 6 is in closure state, is changed to water/land integrated Valve group 2 provides 12 volts of 2 tunnel dc switch amount signal into its water/integrated valve group 2 of land conversion, makes interface 22 to interface 24, interface 23 to interface 25 oil circuit it is unimpeded, so as to realize turning function waterborne.

As shown in Figure 10, external splines output shaft 71 is arranged at the top of steering pump 7, and output shaft 71 is inserted into reserved on engine connect Mouthful, there are first interface 73, a two-way hydraulic fluid port of second interface 74 in the side of steering pump 7, and first interface 73 is fuel-displaced with steering reservoir assembly 8 Mouth 801 is connected, and second interface 74 is connected with the P mouths of power steering stgear 15；Further preferably, the first interface 73 is located at second The bottom of interface 74.

First interface 73 is the inlet port of pump, and second interface 74 is the oil-out of pump.

As shown in Figure 10, the end face of steering pump 7 is machined with through hole 72, will be turned by the connected mode of bolt through through hole 72 It is attached to pump 7 on engine, the end face is arranged between output shaft 71 and interface 73, steering pump（7）Inside is gear pump Structure, the mechanical energy that its function is to provide in engine are converted into system hydraulic power supply.

Further preferably, steering pump includes main body, and the main body is cylindrical structural.The output shaft 71 is located at main body Bottom.The first interface 73, second interface 74 are located at the side of theme.

Further preferably, first interface 73 is located at the bottom of second interface 74, and first interface 73 and second interface 74 It is distributed for stagger arrangement.

Further preferably, the caliber of first interface 74 is more than the caliber of second interface 74.

As shown in figure 11, steering reservoir assembly 8 is mainly made up of steering reservoir 81, oil tank rack 82, and steering reservoir 81 has Have two oil circuit interface oil-outs 801, oil return openings 802, oil-out 801 is connected with the interface 73 of steering pump 7, oil return opening 802 with The T mouths of power steering stgear 15, the interface 28 of water/integrated valve group 2 of land conversion, the interface 36 of the integrated valve group 3 of steering waterborne, pass through three Connection for bbreather pipe connects.

As shown in Figure 12, oil tank rack 82 is ring-shaped clip formula support, is along the circumferential direction machined with through hole at 2 respectively 821, steering reservoir 81 can be fixed on vehicle attached seat by bolted connection, be machined with through hole 822 at 4, can be with Steering reservoir 81 is locked at the internal spherical surface of oil tank rack 82 by way of bolt and nut locking.

Preferably, the oil-out 801, oil return opening 802 are located at the bottom of oil tank 81, wherein oil return opening 802 is positioned at oil The middle position of the bottom of tank 81, the edge position of the bottom of 801 oil tank of hydraulic fluid port 81.

Preferably, the oil tank rack 82 is located at about 81 bottom.It uses split-type design, and its main body is used and opened Mouth formula cyclic structure, the outer surface that can be good at being bonded oil tank 81 is penetrated after through hole 822 and locking by bolt, ensures oil tank 81 longitudinal directions do not release；Its attached seat is " L " type steel sectional material, and durable, one end is welded in car body relevant position, and one section is machined with Through hole 821, the bolt of through hole 822 is penetrated, it is also cross through hole 821, oil tank 81, oil tank rack 82 is overall fixed；This split Structure make that oil tank 81, oil tank rack 82 formed it is overall form elastic connection between attached seat, effectively eliminated oil tank 81, The entirety that oil tank rack 82 is formed, to the attached seat bending part of " L " type and the stress of car body weld, improves during vibrations Reliability, test indicate that, the structure can bear the vibrations that acceleration is more than 10g for a long time.

Amphibious vehicle water/land integrated control formula power steering gear of the present invention is turned to general amphibious vehicle water/land and grasped Vertical device difference is that amphibious vehicle water/land integrated control formula power steering gear i.e. can be complete using single direction disk Into waterborne, land steering, without other manipulation devices（Such as control stick, rudder）；Drive axle-free between steering wheel and steering gear connection Deng mechanical connection, flexible arrangement, space is saved；Involved amphibious vehicle water/land integrated control formula power steering gear is overall Compact-sized, integrated level is high, and it is cumbersome to efficiently solve water, land steering operation, and system takes that interior space is big to wait amphibious vehicle to turn To systems technology problem, and can expanded application in multiaxis amphibious vehicle.

As shown in Fig. 1 to Figure 13, amphibious vehicle water/land integrated control formula power steering gear involved by patent of the present invention The feature of operation principle is as follows：

First, land steering pattern

When system works, P end injection of the high pressure liquid force feed from interface 74 to power steering stgear 15 first caused by steering pump 7, The T mouths of power steering stgear 15 are high-pressure oil passage oil revolving end, connect the interface 802 of steering reservoir 81；During land steering, driver is first Land and water change-over switch 6 is adjusted to position " land steering ", now in system oil-way power steering stgear 15 interface L, turn through land and water Change that valve group 2 connects with the interface 42 of land hydraulic steering cylinder 4, interface R connects with the interface 41 of land hydraulic steering cylinder 4, drive During member's steering wheel rotation 11, the high pressure liquid entered from power steering stgear P mouths presses oil, and according to the different strokes of steering wheel, passes through L, R Mouth is quantitatively injected into the interface 41,42 of land hydraulic steering cylinder, drives the land piston rod movement of hydraulic steering cylinder 4, and it, which drives, turns Upper rocker arm into leverage 9, tie rod linkage motion is driven, realizes land turning function.

2nd, steering pattern waterborne.

When system works, driver adjusts land and water change-over switch 6 to position " steering waterborne ", now, land and water conversion first The magnetic valve 2.1,2.2 of integrated valve group 2 commutates simultaneously, makes the L interface and the integrated valve group 2 of land and water conversion of line power steering stgear 15 Interface 24 connects, R connects with the interface 25 of the integrated valve group 2 of land and water conversion；Change the interface 24 for integrating valve group 2 and waterborne turn in land and water Connected to the interface 32 of integrated valve group 3；The interface 25 of the integrated valve group 2 of land and water conversion integrates the interface 33 of valve group 3 with steering waterborne Connection；Flow is greatly reduced by working connection flow speed control valve 3.5 first after connecting in interface 32, interface 33, then passes through waterborne turn respectively The pressure regulator valve 3.1,3.2 into integrated valve group 3, after flow speed control valve 3.3,3.4 pressure regulation, speed governing with the interface 51 of hydraulic cylinder 5 waterborne of coming about, 52 connections；Driver turn steering wheel 11, the high pressure liquid force feed entered from the interface P of power steering stgear 15, according to steering wheel not Same stroke, by L, R mouth, the interface 24 for integrating valve group 2, interface 25 are changed through land and water；Steering waterborne integrates the interface of valve group 3 32nd, interface 33, interface 51, the chamber of interface 52 of hydraulic cylinder 5 waterborne of coming about quantitatively are injected into, drive its piston rod movement, promote spray The mouth of a river or deflection of coming about, realize turning function waterborne.

The technical problem underlying of patent of the present invention is：1st, steering gear 15 can ensure steering wheel 11 when turning left and right, The oil pump capacity of L or R mouths is equal and linear with steering wheel rotational angle, and preferably steering wheel often rotates 360 °, oil pump capacity For 200ml, error is not more than 1%FS.2nd, when loosening steering wheel 11, can be connected between steering gear 15L, R mouth, its essential effect It is, land hydraulic steering cylinder 4, the rod chamber waterborne for coming about hydraulic cylinder 5 is connected with rodless cavity, hydraulic cylinder piston can be eliminated Both sides caused pressure difference due to actual loading, so that steering wheel can possess certain self-aligning ability.3rd, land and water turns Change integrated valve group 2 can quickly, it is synchronous by the land hydraulic steering cylinder of L, R oil communication of power steering stgear or liquid waterborne of coming about Cylinder pressure；The oil inlet quantity of the land rodless cavity of hydraulic steering cylinder 4 can be demarcated by mechanical speed governors valve, it is intended that making steering wheel When turning left and right equal angular, the stretching of land steering hydraulic cylinder piston rod, shifting of condensing must be equal.4th, steering pile-up valve waterborne Group 3 after oil-feed flow is greatly reduced manually, then must pass through pressure-reducing valve 3.1,3.2, speed governing first by mechanical speed governors valve 3.5 Valve 3.3,3.4 accurately controls, and demarcates the outlet pressure and flow of 34,35 output ends.5th, the cylinder barrel of land hydraulic steering cylinder 4 is fixed End uses steering ball end connected mode with piston rod output end, and cylinder barrel fixing end is machined with internal thread with piston rod output end, Steering ball end is easily installed, side is machined with groove, is easy to use clip to fix steering ball end, using the side of two sections of ball pin connections Formula can effectively eliminate hydraulic cylinder during steering gear connection is driven and caused non-coplanar force, its reliability and efficiency are obvious high In the hydraulic cylinder using the connection of the forms such as oscillating bearing, wheel steering system use is extremely applicable to.

It should be noted that skilled person can easily appreciate that, the heavy circulation involved by patent of the present invention Ball bimodulus driven steering device can be applied in the above described manner to be turned in someone, unpiloted different types of wheeled vehicle , can be with into system, and in the case where not departing from the spirit and scope for the patent of the present invention being defined by the following claims Various various forms of changes and change are carried out to patent of the present invention.

Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should It is defined when by claim limited range.

Claims (7)

1. a kind of amphibious vehicle steering pump, including main body, the main body is cylindrical structural；Output shaft is located at the bottom of main body, First interface, second interface are located at the side of main body；First interface is the inlet port of pump, and second interface is the oil-out of pump.

2. steering pump as claimed in claim 1, steering pump end face is machined with through hole, and the connected mode of through hole is passed through by bolt Steering pump is attached on engine, the end face is arranged between output shaft and interface.

3. steering pump as claimed in claim 1, first interface is connected with the oil-out of steering reservoir assembly, and second interface is with moving The P mouths connection of power steering gear.

4. steering pump as claimed in claim 1, the first interface 73 is located at the bottom of second interface 74, and first interface and Second interface is distributed for stagger arrangement.

5. steering pump as claimed in claim 1, the caliber of first interface is more than the caliber of second interface.

6. a kind of amphibious vehicle water/land integrated control formula power steering gear, including steering wheel and power steering gear assembly（1）、 Water/integrated the valve group of land conversion（2）, steering waterborne integrate valve group（3）, land hydraulic steering cylinder（4）, hydraulic cylinder waterborne of coming about（5）、 Land and water change-over switch（6）, steering pump（7）, steering reservoir assembly（8）, steering gear connection（9）, it is characterised in that water/land Transform Sets Into valve group（2）With steering wheel and power steering gear assembly（1）Between connected by hydraulic oil pipe；Water/integrated the valve group of land conversion（2） Valve group is integrated with steering waterborne（3）Between connected by hydraulic oil pipe；Land hydraulic steering cylinder（4）One end and steering gear connection（9） Connection, land hydraulic steering cylinder（4）With water/integrated valve group of land conversion（2）Between connected by hydraulic oil pipe；Hydraulic pressure waterborne of coming about Cylinder（5）One end is come about with swimmer propulsion unit and is connected, and steering waterborne integrates valve group（3）With hydraulic cylinder waterborne of coming about（5）Between pass through Hydraulic oil pipe connects；Land and water change-over switch（6）It is integrated on vehicle-mounted panel；Steering pump（7）Install on the engine, by engine Drive to system and high voltage power source is provided；Steering reservoir assembly（8）Oil-out（801）With steering pump（7）Oil inlet end（73）It is logical Cross oil pipe connection, oil return opening（802）With steering wheel and power steering gear assembly（1）Oil return opening, the integrated valve group of water/land conversion （2）Oil return opening（28）, steering waterborne integrate valve group（3）Oil return opening（36）, connected by oil pipe, wherein steering pump is right It is required that the steering pump described in one of 1-5.

7. transfer as claimed in claim 6, it is characterised in that the steering wheel and power steering gear assembly（1）Including Steering wheel（11）And power steering gear assembly（15）；The power steering gear assembly（15）Fixed with driver storehouse instrument board, side To disk（11）Pass through steering drive axle（13）With power steering gear assembly（15）The internal spline input connection of upper surface, so as to work as Pilot control steering wheel（11）When, power steering gear assembly（15）The co-axial rotation of internal spline input；

Power steering gear assembly（15）With tetra- oil inlet P, oil return inlet T, oil-out L and oil-out R oil circuit interfaces, respectively with Steering pump（7）Second interface（74）, steering reservoir assembly（8）Oil return opening（802）, the integrated valve group of water/land conversion（2） One interface（22）, second interface（23）Connection；

Water/integrated the valve group of land conversion（2）Pass through valve body（21）On through hole be fixed on the right side of driver on hull bottom plate, it has 7 oil circuit interfaces, wherein, first interface（22）, second interface（23）With steering wheel and power steering gear assembly（1）Oil-out L connects with oil-out R, the 3rd interface（24）, the 4th interface（25）Valve group is integrated with steering waterborne（3）First interface（32）、 Second interface（33）Connection, the 5th interface（26）, the 6th interface（27）With land hydraulic steering cylinder（4）First interface（41）、 Second interface（42）Connection, the 7th interface（28）With steering reservoir assembly（8）Oil return opening（802）Connection；

Steering waterborne integrates valve group（3）Pass through the through hole on valve body（31）It is fixed on driver's rear body bottom plate, it has 5 Individual oil circuit interface, wherein first interface（32）, second interface（33）With water/integrated valve group of land conversion（2）The 3rd interface（24）、 4th interface（25）Connection, the 3rd interface（34）, the 4th interface（35）With hydraulic cylinder waterborne of coming about（5）First interface（51）、 Second interface（52）Connection, the 5th interface（36）With steering reservoir assembly（8）Oil return opening（802）Connection；

Land hydraulic steering cylinder（4）One end passes through the first bulb（43）With vehicle attached seat（101）Connection, the other end pass through the second ball Head（44）With steering gear connection（9）Upper swing arm（91）Connection, so as to realize land hydraulic steering cylinder（4）Fixation, land steering Hydraulic cylinder（4）Top oil circuit first interface（41）With water/integrated valve group of land conversion（2）The 5th interface（26）Connection, second connects Mouthful（42）With water/integrated valve group of land conversion（2）The 6th interface（27）Connection；

Hydraulic cylinder waterborne of coming about（5）One end passes through the 3rd bulb and vehicle attached seat（201）Connection, the other end pass through the 4th bulb （53）It is connected with waterborne come about, so as to realize hydraulic steering cylinder waterborne（5）Fixation, the first interface of oil circuit（51）, second connect Mouthful（52）Valve group is integrated with steering waterborne（3）The 3rd interface（34）, the 4th interface（35）Connection；

Land and water change-over switch（6）Full-vehicle control panel itself is integrated in, by pilot control, it has two working condition " lands Upper steering " " steering waterborne ", when " land steering " state, land and water change-over switch（6）It is off, water/land Transform Sets Into valve group（2）Interior first interface（22）To the 5th interface（26）, second interface（23）To the 6th interface（27）Oil circuit it is unimpeded, mesh Be to land hydraulic steering cylinder（4）Fuel feeding, realize land turning function；When " steering waterborne " state, land and water conversion is opened Close（6）In closure state, first interface（22）To the 3rd interface（24）, second interface（23）To the 4th interface（25）Oil circuit It is unimpeded, so as to realize turning function waterborne；Steering pump（7）It is attached on engine, steering pump（7）With two-way hydraulic fluid port interface, First interface（73）With steering reservoir assembly（8）Oil-out（801）Connection, second interface（74）With steering wheel and electronic-controlled power steering Device assembly（1）Oil inlet P connection, its function is to provide hydraulic power supply for system；

Steering reservoir assembly（8）Including steering reservoir（81）, oil tank rack（82）, steering reservoir（81）Pass through oil tank rack（82） It is fixed on car body, it has two oil circuit interfaces, is oil-out respectively（801）, oil return opening（802）, oil-out（801）With turning To pump（7）First interface（73）Connection, oil return opening（802）With steering wheel and power steering gear assembly（1）Oil return inlet T, water/ The integrated valve group of land conversion（2）The 7th interface（28）, steering waterborne integrate valve group（3）The 5th interface（36）Connection.